--- a/channel/ad_channel.module	Mon Apr 20 09:49:37 2009 +0000
+++ b/channel/ad_channel.module	Mon Apr 27 10:27:29 2009 +0000
@@ -1,5 +1,5 @@
 <?php
-// $Id: ad_channel.module,v 1.1.4.20 2009/04/09 22:04:49 jeremy Exp $
+// $Id: ad_channel.module,v 1.1.4.21 2009/04/22 15:14:46 jeremy Exp $
 
 /**
  * @file
@@ -449,12 +449,11 @@
       return _ad_channel_load_node($node);
     case 'insert':
     case 'update':
-      // Fully load the node object to confirm that we are working with an
-      // advertisement.
-      $ad = node_load($node->nid);
-      if (isset($ad->adtype)) {
+      if (is_object($node) && isset($node->adtype) &&
+          isset($node->probability) && isset($node->nid)) {
         return _ad_channel_save_node($node);
       }
+      break;
     case 'delete':
       return _ad_channel_delete_node($node);
     case 'validate':